67 lines
3.7 KiB
Ada
67 lines
3.7 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT COMPILER COMPONENTS --
|
|
-- --
|
|
-- S Y S T E M . E X C E P T I O N S --
|
|
-- --
|
|
-- S p e c --
|
|
-- --
|
|
-- Copyright (C) 2006-2014, Free Software Foundation, Inc. --
|
|
-- --
|
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
|
-- terms of the GNU General Public License as published by the Free Soft- --
|
|
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
|
-- --
|
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
|
-- version 3.1, as published by the Free Software Foundation. --
|
|
-- --
|
|
-- You should have received a copy of the GNU General Public License and --
|
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
|
-- <http://www.gnu.org/licenses/>. --
|
|
-- --
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
pragma Compiler_Unit_Warning;
|
|
|
|
package System.Exceptions is
|
|
|
|
pragma Preelaborate;
|
|
-- To let Ada.Exceptions "with" us and let us "with" Standard_Library
|
|
|
|
ZCX_By_Default : constant Boolean;
|
|
-- Visible copy to allow Ada.Exceptions to know the exception model
|
|
|
|
private
|
|
|
|
type Require_Body;
|
|
-- Dummy Taft-amendment type to make it legal (and required) to provide
|
|
-- a body for this package.
|
|
--
|
|
-- We do this because this unit used to have a body in earlier versions
|
|
-- of GNAT, and it causes various bootstrap path problems etc if we remove
|
|
-- a body, since we may pick up old unwanted bodies.
|
|
--
|
|
-- Note: we use this standard Ada method of requiring a body rather
|
|
-- than the cleaner pragma No_Body because System.Exceptions is a compiler
|
|
-- unit, and older bootstrap compilers do not support pragma No_Body. This
|
|
-- type can be removed, and s-except.adb can be replaced by a source
|
|
-- containing just that pragma, when we decide to move to a 2008 compiler
|
|
-- as the minimal bootstrap compiler version. ???
|
|
|
|
ZCX_By_Default : constant Boolean := System.ZCX_By_Default;
|
|
|
|
Foreign_Exception : exception;
|
|
pragma Unreferenced (Foreign_Exception);
|
|
-- This hidden exception is used to represent non-Ada exception to
|
|
-- Ada handlers. It is in fact referenced by its linking name.
|
|
|
|
end System.Exceptions;
|